Granatelli Coolant and Expansion Tanks - 500300

Granatelli Coolant and Expansion Tanks - 500300

Granatelli Motor Sports Coolant and Expansion Tank – 500300

SKU: 500300

The Granatelli Motor Sports Coolant and Expansion Tank – 500300 is a rugged, polished aluminum coolant overflow and expansion tank engineered for performance engines and custom builds. Designed to maintain proper coolant levels and help manage heat under high-stress driving conditions, this compact tank delivers dependable service while enhancing your engine bay’s appearance.

Why Choose the 500300 Coolant & Expansion Tank?

Premium Aluminum Construction

Built from polished aluminum, this tank resists corrosion and stands up to high temperatures and the demands of performance driving. Precision fabrication ensures long-lasting durability with a clean, professional finish.

Optimized Capacity & Dimensions

With a 1.00-quart capacity, this compact rectangular tank provides essential coolant overflow capacity while fitting into even the tightest engine bays. It measures approximately 3.00" L × 4.00" W × 6.50" H, making it ideal for custom installs and compact engine compartments.

Easy Integration with Standard Cooling Systems

Featuring a 3/8" NPT inlet and 1/2" NPT outlet, this expansion tank integrates seamlessly with most custom coolant plumbing setups. Installation is straightforward and builder-friendly.

Polished Finish for Show-Quality Style

The polished aluminum exterior adds visual appeal to any engine compartment. Whether functional or showcased, it complements performance builds and show cars alike.

Compact Yet Functional Design

The thoughtful port placement and rectangular shape make for a clean, unobtrusive installation — perfect for tight spaces or custom fabrication projects.

Built for All Builds

From restorations and daily drivers to performance builds, this expansion tank offers reliable coolant management where you need it.

Reliable Cooling Starts Here

The Granatelli Motor Sports Coolant and Expansion Tank – 500300 gives you the quality, fit, and finish performance builders demand. Keep temperatures in check, prevent overflow issues, and upgrade your cooling system with confidence — no compromises.

Key Features & Benefits

• Application-focused Granatelli Motor Sports design
• Built for dependable performance and service
• Designed for enthusiasts, professional installers, and performance builds

Fitment & Installation

Confirm the part number, vehicle or engine application, dimensions, and supporting components before installation. Modified vehicles may require additional clearance, fabrication, calibration, or related hardware depending on the combination.

Frequently Asked Questions

How do I confirm fitment?
Match the part number and listed application to your vehicle, engine, dimensions, and supporting components before ordering.

Will this work on a modified vehicle?
Compatibility depends on the complete vehicle combination. Confirm the listed application and supporting components before installation.

Why Choose Granatelli Motor Sports?

Granatelli Motor Sports develops performance components for real-world street, street/strip, race, and custom applications, with an emphasis on practical performance, dependable construction, and integration into serious automotive builds.